Journal of science of the Hiroshima University. Series C, Geology and mineralogy Volume 4 Issue 1
published_at 1961-05-15

Neoschwagerines from the Yukawa group in the Atetsu Limestone Plateau

SADA Kimiyoshi
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JSHUC_4-1_117.pdf
Abstract
Five species of Neoschwagerina from the Maki formation, the lower part of the Yukawa group, of the Atetsu limestone in West Japan, are illustrated and described. These indicate that the Maki formation is of the upper Middle Permian age.